CVE-2012-4505

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-11-11 · updated 2026-06-16
Weakness: CWE-119

Description

Heap-based buffer overflow in the px_pac_reload function in lib/pac.c in libproxy 0.2.x and 0.3.x allows remote servers to have an unspecified impact via a crafted Content-Length size in an HTTP response header for a proxy.pac file request, a different vulnerability than CVE-2012-4504.

Affected products

Libproxy Project Libproxy: 0.2.3, 0.3.0, 0.3.1

References

http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html
http://rhn.redhat.com/errata/RHSA-2012-1461.html
http://secunia.com/advisories/51048
http://secunia.com/advisories/51180
http://secunia.com/advisories/51308
http://www.debian.org/security/2012/dsa-2571
http://www.openwall.com/lists/oss-security/2012/10/12/1
http://www.openwall.com/lists/oss-security/2012/10/12/5
http://www.openwall.com/lists/oss-security/2012/10/16/3
http://www.securityfocus.com/bid/55910
http://www.ubuntu.com/usn/USN-1629-1
https://bugzilla.redhat.com/show_bug.cgi?id=864612

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